# Sphere Time vs Ctzone

The clearest difference is iOS requirement: Sphere Time at 9.3 against Ctzone's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sphere Time ships an update every 5 weeks, Ctzone every 4 weeks. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Sphere Time | Ctzone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/sphere-time/id1441017597/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 18 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sphere Consulting, Inc.](https://appshunter.io/developer/490104412) | [Ali An Nuur](https://appshunter.io/developer/1814014911) |

## What reviewers say

### Sphere Time

[App page](https://appshunter.io/ios/app/sphere-time/id1441017597)

Easily convert time zones to stay connected globally. This app helps frequent travelers, those with international family, or professionals working across different regions understand the time in any city worldwide. It offers an intuitive interface for seamless time zone management.

**Highlights:** Intuitive time zone conversion, Supports multiple time zones simultaneously, Works offline with cached data, Global city database, Reduces meeting time zone confusion

**Features:** macOS Compatibility

**In-app purchases:** none


### Ctzone

[App page](https://appshunter.io/ios/app/ctzone/id6748931770)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sphere Time free?

Sphere Time is free to download, with no in-app purchases.

### Is Ctzone free?

Ctzone is free to download, with no in-app purchases.

### Do Sphere Time or Ctzone have ads?

Neither Sphere Time nor Ctzone shows ads.

### Which is updated more often, Sphere Time or Ctzone?

Sphere Time ships an update every 5 weeks, and Ctzone every 4 weeks. Most recently, Sphere Time was updated on September 9, 2026 and Ctzone on September 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*